MOSFET RF Amplifier (CB9174E)

This circuit for dual-gate MOSFET was found in a 90’s Popular Electronics. The coils are according to the frequency range that must be amplified.

| Clique na imagem para ampliar |

Band-Pass Filter (CB14921E)
This circuit was found in a Poptronics of the 90's. The components can be changed to the desired...
9 V power supply (CB13201E)
This circuit is from a documentation from the 70s. Thus, the original transistor no longer exists,...
Portable Booster (CB22026E)
This booster for bands up to 30 MHz, depending on the coil, works by approximation. It is suitable for...